Please follow below steps to add a configuration file to client machine and see if it helps.
The file logos.ini location:
XP - C:\Documents and Settings\All Users\Application Data\National Instruments\Logos
Win7 or Vista - C:\ProgramData\National Instruments\Logos
If you don't find logos.ini, just create a new file.
Add below information to the logos.ini
[logos]
Global.DisableLogosXT=True
[LogosSockets]
ProcManTimeoutSeconds=xxx
CtrlEnvTimeoutSeconds=xxx
ClassAdsTimeoutSeconds=xxx
where xxx is an integer value. Default value is 5, you can set to bigger number, such as 10.